Home / 29,129,657.40-43,694,486.10-12,123,545.40

Finding the Fourth Proportional to 29,129,657.40, 43,694,486.10 and 12,123,545.40

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Solution

The fourth proportional to 29,129,657.40, 43,694,486.10 and 12,123,545.40 is: 18,185,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,129,657.40 : 43,694,486.10 = 12,123,545.40 : x
  2. Step 2: Convert to fraction form
    29,129,657.40/43,694,486.10 = 12,123,545.40/x
  3. Step 3: Cross multiply
    29,129,657.40x = 43,694,486.10 × 12,123,545.40
  4. Step 4: Simplify right side
    29,129,657.40x = 529,732,085,963,019
  5. Step 5: Solve for x
    x = 529,732,085,963,019/29,129,657.40
  6. Step 6: Final answer
    x = 18,185,318.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.